In organic food more nutritious ? this is part of the debate. Many farmers and consumers believe it is. They think agricultural chemicals cause health problems such as cancer or allergies. Many health professionals disagree. Few studies prove that organic foods prevent health problems. Health specialists worry more about bacteria, such as E.coli and salmonella. these can come into contact with organic and non-organic food. Doctors recommend washing produce very carefully. Handling meat carefully is important too.